High Quality Content by WIKIPEDIA articles! Seabees are members of the United States Navy construction battalions. The word Seabee is a proper noun that comes from the initials of Construction Battalion (CB) of the United States Navy. The Seabees have a history of building bases, bulldozing and paving thousands of miles of roadway and airstrips, and accomplishing a myriad of other construction projects in a wide variety of military theaters dating back to World War II.